Napa Zip code

Napa Zip code / Napa Postal code

Napa Zip code, introduced by the United States Postal Service (USPS) in 1963, are numerical codes used to identify specific geographic regions for mail delivery. and Napa zip code used a 5-digit postal format XXXXX, The first 3 digit represent the postal delivery zone code, and last 2 digit represent the Post office in the Napa.

There are total 12 zipcode code in Napa and range of zipcode is 94503 to 94599. View all the zip code on map of Napa by clicking on our mapview appliction.

1. What is the format of zip codes in Napa?
Napa zip codes follow the standard 5-digit format, starting with the number - 945.

2. How many zip codes are there in Napa?
There are approximately 12 zip codes in Napa, covering a vast area of the county.

3. Do all areas in Napa have zip codes?
Yes, almost all populated areas in Napa are assigned a unique zip code for mail delivery purposes.